Solve.A farmer's silo is the shape of a cylinder with a hemisphere as the roof. If the height of the silo is 62 feet and the radius of the hemisphere is r feet, express the volume of the silo as a function of r.

A. V(r) = 62?r2 +  ?r3
B. V(r) = ?(62 - r)r3 +  ?r2
C. V(r) = ?(62 - r) +  ?r2
D. V(r) = ?(62 - r)r2 +  ?r3

Answer: D

Mathematics

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